CN202975040U - Wind speed sensor - Google Patents
Wind speed sensor Download PDFInfo
- Publication number
- CN202975040U CN202975040U CN 201220738970 CN201220738970U CN202975040U CN 202975040 U CN202975040 U CN 202975040U CN 201220738970 CN201220738970 CN 201220738970 CN 201220738970 U CN201220738970 U CN 201220738970U CN 202975040 U CN202975040 U CN 202975040U
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- Prior art keywords
- wind speed
- base
- housing
- air velocity
- velocity transducer
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Abstract
A wind speed sensor comprises the following components of: a shell which is provided with an inner cavity and a first thread structure; a wind speed mechanism, a transmission shaft mechanism; a bearing mechanism; a wind speed conversion circuit module; a power source device; and a base mechanism comprising a base which is provided with a second thread structure matched with the first thread structure; the base mechanism is in threaded connection with the shell through the matching of a second thread and a first thread, such that the transmission shaft, the bearing mechanism and the wind speed conversion circuit module can be encapsulated in the inner cavity of the shell; the base mechanism is provided with a first positioning structure; the shell body is provided with a second positioning structure; the sensor further comprises a clamping latch positioning component; after the shell and the base mechanism are tightly screwed with each other through threaded connection, the clamping latch positioning component is respectively matched with the first positioning structure and the second positioning structure, such that relative positioning can be realized in a circumferential direction between the base mechanism and the shell.
Description
Technical field
The utility model relates to a kind of sensor, especially relates to a kind of air velocity transducer.
Background technology
Wind speed is the important information parameter of physical environment.Current social is paid attention to global environmental protection day by day, and wind speed also more and more need to be on a large scale by in real time, accurately measure.Air velocity transducer refer to can measuring wind size sensor.Now in technology, in order to prevent the reliability of moving of circuit under low temperature environment, and stability, heating plate is installed near circuit by meeting, yet under the environment of some low temperatures, its mechanical rotation partly can be too low icing because of temperature, cause rotating part to work, finally cause can't working of air velocity transducer under low temperature environment.In addition, the material that vane for detection of wind speed of the prior art all adopts plastics or some other lightweight and easily loses, therefore if this vane is used in the damage that easily causes parts in the larger environment of wind-force, anti-high wind ability is relatively poor, and is inapplicable in some high wind area.Chinese patent literature number is frozen air velocity transducer for CN202177636U discloses a kind of anti-ice, wherein, comprises housing; Wind speed mechanism; Driving shaft mechanism, mechanism is connected with described wind speed; Bearning mechanism is located at described enclosure interior, is connected with described inner walls, and is connected with described driving shaft mechanism; Wind speed change-over circuit module is used for converting the wind speed changes of magnetic field that described wind speed mechanism detects to simulation current flow output; Described wind speed mechanism below is provided with the heating arrangement that is connected with described housing or described Bearning mechanism, and is connected to the supply unit of its power supply with described wind speed change-over circuit module and described heating arrangement.Can prevent that the situation that transmission shaft freezes from appearring in air velocity transducer when using under low temperature environment, the situation that causes sensor to work wherein, is threaded engagement closely mutually between air velocity transducer housing and described base.Yet, sensor in the course of the work, housing and base can shake, just because of being that threaded engagement is not closely at operating sensor after the long period between housing and base, housing and base meeting and occur have looseningly reduced the reliability of equipment, and be near and affect testing result.
The utility model content
For this reason, technical problem to be solved in the utility model is to propose the higher magnetic induction air velocity transducer of a kind of reliability.
A kind of air velocity transducer of the present utility model comprises: housing, described housing have inner chamber and the first helicitic texture; Wind speed mechanism is located on described housing; Driving shaft mechanism is located in the described inner chamber of described housing, and is connected with described wind speed mechanism; Bearning mechanism is located in the described inner chamber of described housing, is connected with described inner walls, and is connected with described driving shaft mechanism; Wind speed change-over circuit module is located at the described inner chamber of described housing, is used for the wind speed that described wind speed mechanism detects is changed converting digital signal output to; Supply unit is connected with described wind speed change-over circuit module, and is its power supply; Base mechanism, comprise base, has the second helicitic texture that coordinates with described the first helicitic texture on described base, described base mechanism by described the second screw thread and described the first screw thread coordinate realize being threaded togather with described housing, thereby with described driving shaft mechanism, described Bearning mechanism and described wind speed change-over circuit module package are in the described inner chamber of described housing;
Described base mechanism is provided with the first location structure, and described housing is provided with the second location structure; Described sensor also comprises card door bolt positioning element; When described housing and described base mechanism by described be threaded mutually screw after, described card door bolt positioning element coordinates with described the first location structure and described the second location structure respectively, makes between described base mechanism and described housing and upwards forms relative positioning in week.
Above-mentioned air velocity transducer, described the first helicitic texture is internal thread, and described the second helicitic texture is external thread, and described housing is set on described base; Described the first location structure is the first pilot hole that forms on described base, and described the second location structure is the second pilot hole on shaping and described housing, and wherein, described the second pilot hole is through hole.
Above-mentioned air velocity transducer, described the first helicitic texture is external thread, and described the second helicitic texture is internal thread, and described base sheath is located on described housing; Described the first location structure is the first pilot hole that forms on described base, and described the second location structure is the second pilot hole on shaping and described housing, and wherein, described the first pilot hole is through hole.
Above-mentioned air velocity transducer, described card door bolt positioning element is self-tapping screw, described self-tapping screw respectively with the coordinating of described the first pilot hole and described the second pilot hole, described housing and described base are fixed together.
Above-mentioned air velocity transducer, described driving shaft mechanism comprise the transmission shaft that is connected with described vane support; Described driving shaft mechanism comprises that also being located at described transmission shaft and described vane support connects and be used for preventing the trip bolt that described transmission shaft withdraws from from described Bearning mechanism on the relative other end of an end.
Above-mentioned air velocity transducer, described sensor comprises and is located at described gear train away from the magnet steel on described wind speed mechanism one end, described wind speed change-over circuit module comprises magnetic conduction circuitry, described magnet steel rotates with the rotation of described transmission shaft, thereby the variation magnetic field that produces coordinates the generation electromagnetic induction with described magnetic conduction circuitry, the output analog electrical signal; Control module is connected with described magnetic conduction circuitry, receives described analog electrical signal; Output circuit is connected with described control module; Power circuit, respectively with described magnetic conduction circuitry, described control module and is connected output circuit and is connected, and it is powered.
Above-mentioned air velocity transducer, described magnetic conduction circuitry comprises Hall element, described magnet steel rotates above described Hall element.
Above-mentioned air velocity transducer, described wind speed mechanism comprises the vane support that is connected with described rotation axis and is positioned at the vane of described vane bracket end; Described wind speed change-over circuit module is fixedly connected with described inner walls or described base;
Described Bearning mechanism comprises: comprise the head bearing and the lower bearing that are sheathed on described transmission shaft;
Described enclosure interior also has and is positioned between described vane support and described head bearing, and is sheathed on the upper short locating sleeve on described rotation axis; Also have and be positioned between described head bearing and described lower bearing, and be sheathed on long locating sleeve on described rotation axis; Have again and be positioned between described head bearing and described lower bearing, and be sheathed on lower short locating sleeve on described rotation axis.
Above-mentioned air velocity transducer, described base mechanism also comprise is located at described base away from an end upper bed-plate nut of described housing, and be connected the connector holder that the base nut connects, also comprise the cable assembly that is connected with described connector holder.
Above-mentioned air velocity transducer, described control module comprises single-chip microcomputer and crystal oscillator, is provided with A/D converter in described single-chip microcomputer.
Technique scheme of the present utility model has the following advantages compared to existing technology:
1. described base mechanism is provided with the first location structure, and described housing is provided with the second location structure; Described sensor also comprises card door bolt positioning element; When described housing and described base mechanism by described be threaded mutually screw after, described card door bolt positioning element coordinates with described the first location structure and described the second location structure respectively, makes between described base mechanism and described housing and upwards forms relative positioning in week.Above-mentioned design can housing is relative with base screw after, even shake, can not become flexible again yet, thereby affect accuracy of detection, affect the functional reliability of air velocity transducer, this is because card door bolt positioning element has carried out both on circumferentially the cause of relative positioning.
Description of drawings
For content of the present utility model is more likely to be clearly understood, the below is described in further detail the utility model, wherein according to specific embodiment of the utility model also by reference to the accompanying drawings
Fig. 1 is air velocity transducer physical construction schematic diagram;
Fig. 2 is the matching relationship schematic diagram of air velocity transducer housing and base;
Fig. 3 is air velocity transducer wind speed change-over circuit schematic diagram;
1-vane support, the upper short locating sleeve of 2-, 3-head bearing, the long locating sleeve of 4-, short locating sleeve under 5-, 6-trip bolt, the 7-magnet steel, 8-lower bearing, 9-wind speed conversion line plate, 10-cable, 11-housing, the 12-base, 13-base nut, 14-connector holder, 15-cable assembly, 16-card door bolt positioning element; 17-the first pilot hole; 18-the second pilot hole; The 19-vane;
Embodiment
A kind of air velocity transducer as shown in Figure 1 comprises: housing 11, described housing 11 have inner chamber and the first helicitic texture (not marking) herein; Wind speed mechanism is located on described housing 11; Driving shaft mechanism is located in the described inner chamber of described housing 11, and is connected with described wind speed mechanism; Bearning mechanism is located in the described inner chamber of described housing 11, is connected with described housing 11 inwalls, and is connected with described driving shaft mechanism; Wind speed change-over circuit module is located at the described inner chamber of described housing 11, is used for the wind speed that described wind speed mechanism detects is changed converting digital signal output to; Supply unit is connected with described wind speed change-over circuit module, and is its power supply; Base mechanism, comprise base 12, has the second helicitic texture (not marking) that coordinates with described the first helicitic texture on described base 12 herein, described base mechanism by described the second screw thread and described the first screw thread coordinate realize being threaded togather with described housing, thereby with described driving shaft mechanism, described Bearning mechanism and described wind speed change-over circuit module package are in the described inner chamber of described housing; Described driving shaft mechanism is preferably and comprises the transmission shaft that is connected with described vane support 1; Described driving shaft mechanism comprises that also being located at described transmission shaft and described vane support 1 connects and be used for preventing the trip bolt 6 that described transmission shaft withdraws from from described Bearning mechanism on the relative other end of an end.In addition, described wind speed change-over circuit module is for being arranged on housing 11 inwalls, or the wind speed conversion line plate 9 on base 12.
Described base mechanism is provided with the first location structure, and described housing is provided with the second location structure; Described sensor also comprises card door bolt positioning element 16; When described housing 11 and described base mechanism by described be threaded mutually screw after, described card door bolt positioning element 16 coordinates with described the first location structure and described the second location structure respectively, makes 11 of described base mechanism and described housings upwards form relative positioning in week.
As a kind of embodiment of air velocity transducer, described the first helicitic texture can be internal thread, and described the second helicitic texture is external thread, and described housing is set on described base; As shown in Figure 2, described the first location structure is the first pilot hole 17 that forms on described base, and described the second location structure is the second pilot hole 18 on shaping and described housing, and wherein, described the second pilot hole 18 is through hole.
Described card door bolt positioning element is preferably self-tapping screw, described self-tapping screw respectively with the coordinating of described the first pilot hole 17 and described the second pilot hole 18, described housing and described base are fixed together.
As the another kind of embodiment of air velocity transducer, described the first helicitic texture can be external thread, and described the second helicitic texture is internal thread, and described base sheath is located on described housing 11; Described the first location structure is the first pilot hole that forms on described base, and described the second location structure is the second pilot hole on shaping and described housing, and wherein, described the first pilot hole is through hole.
Described sensor comprises and is located at described gear train away from the magnet steel 7 on described wind speed mechanism one end, described wind speed change-over circuit module comprises magnetic conduction circuitry, described magnet steel 7 rotates with the rotation of described transmission shaft, thereby the variation magnetic field that produces coordinates the generation electromagnetic induction with described magnetic conduction circuitry, the output analog electrical signal; Control module is connected with described magnetic conduction circuitry, receives described analog electrical signal; Output circuit is connected with described control module; Power circuit, respectively with described magnetic conduction circuitry, described control module and is connected output circuit and is connected, and it is powered.
Described wind speed mechanism is preferably and comprises the vane support 1 that is connected with described rotation axis and the vane 19 that is positioned at described vane support 1 end; Described wind speed change-over circuit module is fixedly connected with described housing 11 inwalls or described base 12.
Described Bearning mechanism is preferably and comprises: comprise the head bearing 3 and the lower bearing 8 that are sheathed on described transmission shaft; Described housing 11 inside also have and are positioned at 3 of described vane support 1 and described head bearings, and are sheathed on the upper short locating sleeve 2 on described rotation axis; Also have and be positioned between described head bearing and described lower bearing, and be sheathed on long locating sleeve 4 on described rotation axis; Have again and be positioned between described head bearing and described lower bearing, and be sheathed on lower short locating sleeve 5 on described rotation axis.
Described base mechanism also comprises is located at described base 12 away from an end upper bed-plate nut 13 of described housing, and be connected the connector holder 14 that base nut 13 connects, also comprise the cable assembly 15 that is connected with described connector holder.
As shown in Figure 3, described power circuit is made of diode D1, D2, stabilivolt ZD1, three-terminal regulator block Q5, field effect transistor Q1, capacitor C 10, C7, C6, C11, resistance R 14, R13.In addition, magnetic conduction circuitry is made of Hall element T1 (being integrated circuit 91204), Q3, capacitor C 1, C3, C4, R1, when magnet steel rotated above 91204 integrated circuit T1,91204 integrated circuit T1 the 4th pin and the output of the 5th pin were proportional to the wind speed changing value; Single chip machine controlling circuit is by PIC16F684 single-chip microcomputer T2, resistance R 2, R3, R5, and capacitor C 2, C5, C8, C9, crystal oscillator B1 consists of, and the built-in A/D converter of single-chip microcomputer becomes frequency signal output with the magnetic induction voltage transitions of 91204 integrated circuit T1 outputs.Output circuit is by triode Q2, Q4, resistance R 6, R7, R8, R9, R10, R11, R12, R15, and diode D3 consists of.
The circuit connection is described below:
Described resistance R 14, diode D1, D2 connect the supply voltage anode, resistance R 14 other end connecting resistance R13, capacitor C 10; Another termination power ground of resistance R 13, capacitor C 10.A termination capacitor C7 positive pole and the field effect transistor Q1 drain electrode of D1, capacitor C 7 another terminating diode D2 one end and ground connection.Field effect transistor Q1 grid connects voltage stabilizing diode ZD1, resistance R 4, voltage stabilizing diode ZD1 other end ground connection.Field effect transistor Q1 source electrode output 16V voltage is for the power supply of three-terminal regulator block Q5, and three-terminal regulator block Q5 input end 1 pin connects capacitor C 6, capacitor C 11 positive poles, capacitor C 6, C11 other end ground connection.The 2 pin ground connection of three-terminal regulator block Q5, the 3 pin output 5V voltages of Q5 are for Hall element T1, single-chip microcomputer T2 operating voltage.The output terminal 3 pin connecting resistance R1 of three-terminal regulator block Q5, the anode of resistance R 1 another termination capacitor C 3, capacitor C 1 connects 91204 integrated circuit T1 the 2nd pin, 3 pin, 7 pin.Capacitor C 1, C3 other end ground connection.91204 integrated circuit T1 the 1st pin connect PTC16F684 integrated circuit T2 the 10th pin.91204 integrated circuit T1 the 4th pin connect PIC16F684 integrated circuit T2 the 9th pin, and 91204 integrated circuit T1 the 5th pin connect PIC16F684 integrated circuit T2 the 8th pin.91204 integrated circuit T1 the 1st pin and the 8th pin join and connect the collector of triode Q3, and the base earth of triode Q3, emitter connect PIC16F684 integrated circuit the 11st pin.PIC16F684 integrated circuit the 1st pin connecting resistance R2, R3, capacitor C 2, C5, resistance R 2 another termination PIC16F684 integrated circuit T2 the 12nd pin, capacitor C 2, C5, PIC16F684 integrated circuit the 14th pin ground connection.Resistance R 3 another termination PIC16F684 integrated circuit the 4th pin.PIC16F684 integrated circuit the 2nd pin connects crystal oscillator B1 the 2nd pin, capacitor C 8, PIC16F684 integrated circuit the 3rd pin connecting resistance R5, resistance R 5 another termination crystal oscillator B1 the 4th pin, capacitor C 9, capacitor C 8, C9, crystal oscillator B1 the 1st pin, 5 pin ground connection.PIC16F684 integrated circuit T2 the 8th pin connecting resistance R12, the emitter of resistance R 12 other end connecting resistance R15, triode Q4, the base earth of triode Q4, collector connecting resistance R6, R7.Resistance R 15 another termination 5V power supplys (VCC), resistance R 6 another termination 16V power supplys (VDD), the emitter of resistance R 7 another termination triode Q2, the base stage of triode Q2 meets diode D3, resistance R 10, R9, resistance R 9 other end ground connection.Integrated electrode connecting resistance R8, the R11 of triode Q2, diode D3, resistance R 8 another termination supply voltage+24VDC, resistance R 11 another termination outputs.
Obviously, above-described embodiment is only for example clearly is described, and is not the restriction to embodiment.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here need not also can't give all embodiments exhaustive.And the apparent variation of being extended out thus or change still are among the protection domain of the utility model creation.
Claims (9)
1. air velocity transducer comprises:
Housing, described housing have inner chamber and the first helicitic texture;
Wind speed mechanism is located on described housing;
Driving shaft mechanism is located in the described inner chamber of described housing, and is connected with described wind speed mechanism;
Bearning mechanism is located in the described inner chamber of described housing, is connected with described inner walls, and is connected with described driving shaft mechanism;
Wind speed change-over circuit module is located at the described inner chamber of described housing, is used for the wind speed that described wind speed mechanism detects is changed converting digital signal output to;
Supply unit is connected with described wind speed change-over circuit module, and is its power supply;
Base mechanism, comprise base, has the second helicitic texture that coordinates with described the first helicitic texture on described base, described base mechanism by described the second screw thread and described the first screw thread coordinate realize being threaded togather with described housing, thereby with described driving shaft mechanism, described Bearning mechanism and described wind speed change-over circuit module package are in the described inner chamber of described housing;
It is characterized in that:
Described base mechanism is provided with the first location structure, and described housing is provided with the second location structure; Described sensor also comprises card door bolt positioning element; When described housing and described base mechanism by described be threaded mutually screw after, described card door bolt positioning element coordinates with described the first location structure and described the second location structure respectively, makes between described base mechanism and described housing and upwards forms relative positioning in week.
2. air velocity transducer according to claim 1 is characterized in that:
Described the first helicitic texture is internal thread, and described the second helicitic texture is external thread, and described housing is set on described base; Described the first location structure is the first pilot hole that forms on described base, and described the second location structure is the second pilot hole on shaping and described housing, and wherein, described the second pilot hole is through hole.
3. air velocity transducer according to claim 1 is characterized in that:
Described the first helicitic texture is external thread, and described the second helicitic texture is internal thread, and described base sheath is located on described housing; Described the first location structure is the first pilot hole that forms on described base, and described the second location structure is the second pilot hole on shaping and described housing, and wherein, described the first pilot hole is through hole.
4. according to claim 2 or 3 described air velocity transducers is characterized in that:
Described card door bolt positioning element is self-tapping screw, described self-tapping screw respectively with the coordinating of described the first pilot hole and described the second pilot hole, described housing and described base are fixed together.
5. air velocity transducer according to claim 4 is characterized in that:
Described driving shaft mechanism comprises the transmission shaft that is connected with described vane support; Described driving shaft mechanism comprises that also being located at described transmission shaft and described vane support connects and be used for preventing the trip bolt that described transmission shaft withdraws from from described Bearning mechanism on the relative other end of an end;
Described sensor comprises and is located at described gear train away from the magnet steel on described wind speed mechanism one end, described wind speed change-over circuit module comprises magnetic conduction circuitry, described magnet steel rotates with the rotation of described transmission shaft, thereby the variation magnetic field that produces coordinates the generation electromagnetic induction with described magnetic conduction circuitry, the output analog electrical signal; Control module is connected with described magnetic conduction circuitry, receives described analog electrical signal; Output circuit is connected with described control module; Power circuit, respectively with described magnetic conduction circuitry, described control module and is connected output circuit and is connected, and it is powered.
6. air velocity transducer according to claim 5 is characterized in that:
Described magnetic conduction circuitry comprises Hall element, and described magnet steel rotates above described Hall element.
7. air velocity transducer according to claim 6 is characterized in that:
Described wind speed mechanism comprises the vane support that is connected with described rotation axis and is positioned at the vane of described vane bracket end;
Described wind speed change-over circuit module is fixedly connected with described inner walls or described base;
Described Bearning mechanism comprises: comprise the head bearing and the lower bearing that are sheathed on described transmission shaft;
Described enclosure interior also has and is positioned between described vane support and described head bearing, and is sheathed on the upper short locating sleeve on described rotation axis; Also have and be positioned between described head bearing and described lower bearing, and be sheathed on long locating sleeve on described rotation axis; Have again and be positioned between described head bearing and described lower bearing, and be sheathed on lower short locating sleeve on described rotation axis.
8. air velocity transducer according to claim 7 is characterized in that:
Described base mechanism also comprises is located at described base away from an end upper bed-plate nut of described housing, and be connected the connector holder that the base nut connects, also comprise the cable assembly that is connected with described connector holder.
9. air velocity transducer according to claim 8 is characterized in that:
Described control module comprises single-chip microcomputer and crystal oscillator, is provided with A/D converter in described single-chip microcomputer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220738970 CN202975040U (en) | 2012-12-27 | 2012-12-27 | Wind speed sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220738970 CN202975040U (en) | 2012-12-27 | 2012-12-27 | Wind speed sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202975040U true CN202975040U (en) | 2013-06-05 |
Family
ID=48516098
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220738970 Expired - Lifetime CN202975040U (en) | 2012-12-27 | 2012-12-27 | Wind speed sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202975040U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105067834A (en) * | 2015-07-23 | 2015-11-18 | 昆明理工大学 | Sensor for measuring wind speed in real time |
| CN106405144A (en) * | 2016-08-21 | 2017-02-15 | 佛山市荣高智能科技有限公司 | Novel wind power induction device |
-
2012
- 2012-12-27 CN CN 201220738970 patent/CN202975040U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105067834A (en) * | 2015-07-23 | 2015-11-18 | 昆明理工大学 | Sensor for measuring wind speed in real time |
| CN105067834B (en) * | 2015-07-23 | 2018-07-24 | 昆明理工大学 | A kind of measuring wind speed in real time sensor |
| CN106405144A (en) * | 2016-08-21 | 2017-02-15 | 佛山市荣高智能科技有限公司 | Novel wind power induction device |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
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| CX01 | Expiry of patent term |
Granted publication date: 20130605 |